264 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			264 lines
		
	
	
		
			8.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| 
 | |
| declare(strict_types = 1);
 | |
| 
 | |
| // {{{ License
 | |
| // This file is part of GNU social - https://www.gnu.org/software/social
 | |
| //
 | |
| // GNU social is free software: you can redistribute it and/or modify
 | |
| // it under the terms of the GNU Affero General Public License as published by
 | |
| // the Free Software Foundation, either version 3 of the License, or
 | |
| // (at your option) any later version.
 | |
| //
 | |
| // GNU social is distributed in the hope that it will be useful,
 | |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | |
| // GNU Affero General Public License for more details.
 | |
| //
 | |
| // You should have received a copy of the GNU Affero General Public License
 | |
| // along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
 | |
| // }}}
 | |
| 
 | |
| /**
 | |
|  * ActivityPub implementation for GNU social
 | |
|  *
 | |
|  * @package   GNUsocial
 | |
|  * @category  ActivityPub
 | |
|  *
 | |
|  * @author    Diogo Peralta Cordeiro <@diogo.site>
 | |
|  * @copyright 2018-2019, 2021 Free Software Foundation, Inc http://www.fsf.org
 | |
|  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
 | |
|  */
 | |
| 
 | |
| namespace Plugin\ActivityPub\Entity;
 | |
| 
 | |
| use App\Core\Cache;
 | |
| use App\Core\DB\DB;
 | |
| use App\Core\Entity;
 | |
| use function App\Core\I18n\_m;
 | |
| use App\Core\Log;
 | |
| use App\Entity\Actor;
 | |
| use Component\FreeNetwork\Util\Discovery;
 | |
| use DateTimeInterface;
 | |
| use Exception;
 | |
| use Plugin\ActivityPub\Util\DiscoveryHints;
 | |
| use Plugin\ActivityPub\Util\Explorer;
 | |
| use XML_XRD;
 | |
| 
 | |
| /**
 | |
|  * Table Definition for activitypub_actor
 | |
|  *
 | |
|  * @copyright 2018-2019, 2021 Free Software Foundation, Inc http://www.fsf.org
 | |
|  * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
 | |
|  */
 | |
| class ActivitypubActor extends Entity
 | |
| {
 | |
|     // {{{ Autocode
 | |
|     // @codeCoverageIgnoreStart
 | |
|     private string $uri;
 | |
|     private int $actor_id;
 | |
|     private string $inbox_uri;
 | |
|     private ?string $inbox_shared_uri = null;
 | |
|     private ?string $url              = null;
 | |
|     private DateTimeInterface $created;
 | |
|     private DateTimeInterface $modified;
 | |
| 
 | |
|     public function setUri(string $uri): self
 | |
|     {
 | |
|         $this->uri = $uri;
 | |
|         return $this;
 | |
|     }
 | |
| 
 | |
|     public function getUri(): string
 | |
|     {
 | |
|         return $this->uri;
 | |
|     }
 | |
| 
 | |
|     public function setActorId(int $actor_id): self
 | |
|     {
 | |
|         $this->actor_id = $actor_id;
 | |
|         return $this;
 | |
|     }
 | |
| 
 | |
|     public function getActorId(): int
 | |
|     {
 | |
|         return $this->actor_id;
 | |
|     }
 | |
| 
 | |
|     public function setInboxUri(string $inbox_uri): self
 | |
|     {
 | |
|         $this->inbox_uri = $inbox_uri;
 | |
|         return $this;
 | |
|     }
 | |
| 
 | |
|     public function getInboxUri(): string
 | |
|     {
 | |
|         return $this->inbox_uri;
 | |
|     }
 | |
| 
 | |
|     public function setInboxSharedUri(?string $inbox_shared_uri): self
 | |
|     {
 | |
|         $this->inbox_shared_uri = $inbox_shared_uri;
 | |
|         return $this;
 | |
|     }
 | |
| 
 | |
|     public function getInboxSharedUri(): ?string
 | |
|     {
 | |
|         return $this->inbox_shared_uri;
 | |
|     }
 | |
| 
 | |
|     public function setUrl(?string $url): self
 | |
|     {
 | |
|         $this->url = $url;
 | |
|         return $this;
 | |
|     }
 | |
| 
 | |
|     public function getUrl(): ?string
 | |
|     {
 | |
|         return $this->url;
 | |
|     }
 | |
| 
 | |
|     public function setCreated(DateTimeInterface $created): self
 | |
|     {
 | |
|         $this->created = $created;
 | |
|         return $this;
 | |
|     }
 | |
| 
 | |
|     public function getCreated(): DateTimeInterface
 | |
|     {
 | |
|         return $this->created;
 | |
|     }
 | |
| 
 | |
|     public function setModified(DateTimeInterface $modified): self
 | |
|     {
 | |
|         $this->modified = $modified;
 | |
|         return $this;
 | |
|     }
 | |
| 
 | |
|     public function getModified(): DateTimeInterface
 | |
|     {
 | |
|         return $this->modified;
 | |
|     }
 | |
| 
 | |
|     // @codeCoverageIgnoreEnd
 | |
|     // }}} Autocode
 | |
| 
 | |
|     public function getActor(): Actor
 | |
|     {
 | |
|         return Actor::getById($this->getActorId());
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Look up, and if necessary create, an Activitypub_profile for the remote
 | |
|      * entity with the given WebFinger address.
 | |
|      * This should never return null -- you will either get an object or
 | |
|      * an exception will be thrown.
 | |
|      *
 | |
|      * @param string $addr WebFinger address
 | |
|      *
 | |
|      * @throws Exception on error conditions
 | |
|      */
 | |
|     public static function getByAddr(string $addr): Actor
 | |
|     {
 | |
|         // Normalize $addr, i.e. add 'acct:' if missing
 | |
|         $addr = Discovery::normalize($addr);
 | |
| 
 | |
|         // Try the cache
 | |
|         $uri = Cache::get(sprintf('ActivitypubActor-webfinger-%s', urlencode($addr)), fn () => false);
 | |
| 
 | |
|         if ($uri !== false) {
 | |
|             if (\is_null($uri)) {
 | |
|                 // TRANS: Exception.
 | |
|                 throw new Exception(_m('Not a valid WebFinger address (via cache).'));
 | |
|             }
 | |
|             try {
 | |
|                 return DB::wrapInTransaction(fn () => Explorer::getOneFromUri($uri));
 | |
|             } catch (Exception $e) {
 | |
|                 Log::error(sprintf(__METHOD__ . ': WebFinger address cache inconsistent with database, did not find Activitypub_profile uri==%s', $uri), [$e]);
 | |
|                 Cache::set(sprintf('ActivitypubActor-webfinger-%s', urlencode($addr)), false);
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // Now, try some discovery
 | |
| 
 | |
|         $disco = new Discovery();
 | |
| 
 | |
|         try {
 | |
|             $xrd = $disco->lookup($addr);
 | |
|         } catch (Exception $e) {
 | |
|             // Save negative cache entry so we don't waste time looking it up again.
 | |
|             // @todo FIXME: Distinguish temporary failures?
 | |
|             Cache::set(sprintf('ActivitypubActor-webfinger-%s', urlencode($addr)), null);
 | |
|             // TRANS: Exception.
 | |
|             throw new Exception(_m('Not a valid WebFinger address: ' . $e->getMessage()));
 | |
|         }
 | |
| 
 | |
|         return self::fromXrd($addr, $xrd);
 | |
|     }
 | |
| 
 | |
|     public static function fromXrd(string $addr, XML_XRD $xrd): Actor
 | |
|     {
 | |
|         $hints = array_merge(
 | |
|             ['webfinger' => $addr],
 | |
|             DiscoveryHints::fromXRD($xrd),
 | |
|         );
 | |
| 
 | |
|         if (\array_key_exists('activitypub', $hints)) {
 | |
|             $uri = $hints['activitypub'];
 | |
|             try {
 | |
|                 LOG::info("Discovery on acct:{$addr} with URI:{$uri}");
 | |
|                 $actor = DB::wrapInTransaction(fn () => Explorer::getOneFromUri($hints['activitypub']));
 | |
|                 Cache::set(sprintf('ActivitypubActor-webfinger-%s', urlencode($addr)), $hints['activitypub']);
 | |
|                 return $actor;
 | |
|             } catch (Exception $e) {
 | |
|                 Log::warning("Failed creating profile from URI:'{$uri}', error:" . $e->getMessage());
 | |
|                 throw $e;
 | |
|                 // keep looking
 | |
|                 //
 | |
|                 // @todo FIXME: This means an error discovering from profile page
 | |
|                 // may give us a corrupt entry using the webfinger URI, which
 | |
|                 // will obscure the correct page-keyed profile later on.
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         // XXX: try hcard
 | |
|         // XXX: try FOAF
 | |
| 
 | |
|         // TRANS: Exception. %s is a WebFinger address.
 | |
|         throw new Exception(sprintf(_m('Could not find a valid profile for "%s".'), $addr));
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @param ActivitypubActor $ap_actor
 | |
|      *
 | |
|      * @throws Exception
 | |
|      */
 | |
|     public static function update_profile(self &$ap_actor, Actor &$actor, ActivitypubRsa &$activitypub_rsa, string $res): void
 | |
|     {
 | |
|         \Plugin\ActivityPub\Util\Model\Actor::fromJson($res, ['objects' => ['ActivitypubActor' => &$ap_actor, 'Actor' => &$actor, 'ActivitypubRsa' => &$activitypub_rsa]]);
 | |
|     }
 | |
| 
 | |
|     public static function schemaDef(): array
 | |
|     {
 | |
|         return [
 | |
|             'name'   => 'activitypub_actor',
 | |
|             'fields' => [
 | |
|                 'uri'              => ['type' => 'text', 'not null' => true],
 | |
|                 'actor_id'         => ['type' => 'int', 'not null' => true],
 | |
|                 'inbox_uri'        => ['type' => 'text', 'not null' => true],
 | |
|                 'inbox_shared_uri' => ['type' => 'text'],
 | |
|                 'url'              => ['type' => 'text'],
 | |
|                 'created'          => ['type' => 'datetime', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was created'],
 | |
|                 'modified'         => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
 | |
|             ],
 | |
|             'primary key' => ['uri'],
 | |
|             'unique keys' => [
 | |
|                 'activitypub_actor_id_ukey' => ['actor_id'],
 | |
|             ],
 | |
|             'foreign keys' => [
 | |
|                 'activitypub_actor_actor_id_fkey' => ['actor', ['actor_id' => 'id']],
 | |
|             ],
 | |
|         ];
 | |
|     }
 | |
| }
 |